Analysis
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max time kernel
118s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2023 09:34
Static task
static1
Behavioral task
behavioral1
Sample
Swift_Copy.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Swift_Copy.exe
Resource
win10v2004-20230220-en
General
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Target
Swift_Copy.exe
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Size
436KB
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MD5
a3cda996e2b93785deeac0dae2f6cbe6
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SHA1
218d5c95f0ac830408a7a9c3c5bc5328768ba05c
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SHA256
86db57c0bc187639ab985ffa4dd383a2704273aada862ff21b62de85c6f88748
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SHA512
b30bc0a47154e46b4f607711bc131146628fab61b0754301e2443f3575db3fdf4a1255117af2c0a5cb59e855713ffc389993f87f423805bd1d457987eb480c8d
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SSDEEP
6144:FCvZQF2uFxbIBMPryJc3Nz7jCbT3Cdeh2kPYjj1XzVB8PQqZ:FCuFfbNyq3NzXCvCdMCN
Malware Config
Extracted
Protocol: smtp- Host:
mail.thereccorp.com - Port:
587 - Username:
[email protected] - Password:
O@123456
Extracted
agenttesla
Protocol: smtp- Host:
mail.thereccorp.com - Port:
587 - Username:
[email protected] - Password:
O@123456 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 api.ipify.org 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3712 set thread context of 1060 3712 Swift_Copy.exe 85 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1060 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1060 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 PID 3712 wrote to memory of 1060 3712 Swift_Copy.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift_Copy.exe"C:\Users\Admin\AppData\Local\Temp\Swift_Copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1060
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